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American Samoa (the former country code for this possession and unorganized territory of the United States) October 2, 2004: 2004: inclusion in NANP; 685: not in use; available for geographic assignment 686: Virginia (the Richmond Metropolitan Area, including Petersburg and the Northern Neck and Middle Peninsula) February 1, 2024: overlaid on ...
The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union. Original North American area codes
Canada and the United States have experienced rapid growth in the number of area codes, particularly between 1990 and 2005. The widespread adoption of fax, modem, and mobile phone communication, as well as the deregulation of local telecommunication services in the United States during the mid-1990s, increased the demand for telephone numbers.
The prefixes in the Americas start with one of 1,2,5. All countries in the Americas use codes that start with "5", with the exception of the countries of the North American Numbering Plan, such as Canada and the United States, which use country code 1, and Greenland and Aruba with country codes starting with the digit "2", which mostly is used by countries in Africa.
Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, or 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing code in the group NXX for various other purposes.
In 1945, the American Telephone and Telegraph Company declared this effort a major post-war project for the Bell System, [5] and proceeded with periodical communications to the general telecommunication industry via the Dial Interexchange Committee of the United States Independent Telephone Association (USITA), [6] which disseminated the ...
This is a list of future area codes in the North American Numbering Plan (NANP) that are in the planning stages for relief of central office code exhaustion in the given numbering plan areas (NPAs). The dates are subject to change during implementation as published in the official NANP Administrator Planning Letters.
In the United States, most carriers require the caller to dial 011 before the destination country code. [9] New Zealand requires the area code to be dialed when calling between two local calling areas. During the 1970s and 1980s, each local calling area had its own area code. For example, Christchurch and Nelson in the late 1980s: